boo
/buː/
interjection
- A sound made to surprise or frighten someone, often used playfully.
- He jumped out from behind the door and shouted, 'Boo!'
- The little girl giggled when her dad said 'boo' during the game.
- Don't sneak up on me like that — you scared me with your 'boo'!
- A sound made to show disapproval, especially at a performance or event.
- The politician was booed off the stage by the angry protesters.
- The crowd started to boo when the referee made a bad call.
- Some audience members began to boo the comedian's offensive jokes.
noun
- A sound of disapproval made by a crowd.
- A loud boo came from the stands after the missed goal.
- There were more boos than cheers at the end of the movie.
- The actor ignored the boos and continued his speech.
- (Informal) A boyfriend, girlfriend, or romantic partner.
- Happy anniversary to my boo!
- I'm going to the movies with my boo tonight.
- She calls her boyfriend 'boo' all the time.
Synonyms